U.S. Department of Energy Energy Efficiency and Renewable Energy
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Hydrogen Key Terms

Photo of a Mercedes-Benz B Class F- Cell car at a hydrogen filling station

What are the key terms to know when discussing hydrogen fuel, fuel cell vehicles, and hydrogen fueling infrastructure?

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May 20, 2014


Emerging Fuels

Photo of a compressed natural gas truck

What emerging alternative fuels are under development or are already developed and available in the United States?

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April 21, 2014


Biodiesel Key Terms

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What are the key terms to know when discussing biodiesel fuel, vehicles, and infrastructure?

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March 20, 2014


Driver Behavior Changes to Improve Efficiency

Photo of a vehicle on a highway

What driver behaviors can help reduce petroleum consumption?

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February 19, 2014


Propane Vehicle and Infrastructure Key Terms

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What are the key terms to know when discussing propane vehicles and their fueling infrastructure?

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January 20, 2014


Renewable Fuel Standard Status and Updates

Photo of an ethanol fueling station

What is the current status of the Renewable Fuel Standard (RFS), and how do the new 2014 proposed requirements differ from previous years?

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January 3, 2014